Denso QS20H, User Manual

Page 1: ...2D Code Scanner QS20H User s Manual ...

Page 2: ...ion may be reproduced in any form or by any means without permission in writing from the publisher Specifications are subject to change without prior notice All products and company names mentioned are trademarks or registered trade marks of their respective holders ...

Page 3: ...face Please READ through these operating instructions carefully It will enable you to operate your QS20H correctly After you have finished reading the instructions keep this manual handy for speedy reference ...

Page 4: ...ns Please READ through this manual carefully It will enable you to use the QS20H correctly Always keep this manual nearby for speedy reference Strict observance of these warning and caution indications are a MUST for preventing accidents which could result in bodily injury and substantial property damage Make sure you fully understand all definitions of these terms and related symbols given below ...

Page 5: ...your nearest dealer Failure to do so could cause fire or electrical shock If you drop the QS20H so as to damage its housing immediately turn off the power unplug the AC adapter from the wall socket and contact your nearest dealer Failure to do so could cause fire or electrical shock Never bring any metals into contact with the output terminals Doing so could produce a large current through the QS2...

Page 6: ...e CAUTION Do not put the QS20H on an unstable or inclined plane It may drop creating injuries Never put the QS20H in places where there are excessively high temperatures such as inside closed up automobiles or in places exposed to direct sunlight Doing so could affect the housing or parts resulting in a fire Avoid using the QS20H in extremely humid or dusty areas or where there are drastic tempera...

Page 7: ...oreign materials such as metals or anything inflammable through the openings vents or scanning window into the QS20H Doing so could result in a fire or electrical shock Do not scratch or modify the QS20H or its interface cable Do not bend twist pull or heat the cable Doing so could damage the QS20H or its interface cable creating a fire hazard Do not put heavy material on the QS20H or its interfac...

Page 8: ...le may be broken resulting in a burnt AC adapter electrical shock or fire During electrical storm activity always unplug the AC adapter from the wall socket Exposure to power surges could result in a damaged QS20H or fire When taking care of the QS20H unplug the AC adapter from the wall socket for safety Failure to do so could result in an electrical shock If the interface cable is damaged e g exp...

Page 9: ...ng it out thoroughly Wipe the QS20H with the cloth and then go over it again with a dry cloth Dust or dirt accumulating on the scanning window will affect reading perfor mance If the scanning window is dusty first blow the dust away with an air brush Then wipe the window with a cotton swab or the similar soft one gently ...

Page 10: ...g the QS20H to the PC 6 Chapter 3 Parameters and Defaults 7 Chapter 4 QR coded Parameter Menu 9 Menu control 10 Communications mode 11 Communications conditions 11 Transmission format 13 Reading modes 15 Readable bar codes 17 Other settings 19 Chapter 5 Communications 21 Appendix Specifications 27 ...

Page 11: ...irmation LED Illuminates when the QS20H has read the code successfully Beeper outlet The beeper sounds when the QS20H has read the code successfully Interface connector Via this connector the QS20H exchanges data with the host computer DC power jack Connect the AC adapter to this jack This jack is compliant with EIAJ RC5320A For details about the voltage classification contact your dealer Scanning...

Page 12: ... than that range however those pointers will deviate from the actual centerline parallel to the upper or lower edge of the code The illumination LED will turn on when the ambient environment is dark or the target code cannot be read easily If the QS20H fails to read due to specular effects or other factors change the scanning angle of the scanning window or the distance from codes and try it again...

Page 13: ...ode If you scan a 2D code containing a large volume of data with the QS20H it may take time Disabling reading of unnecessary types of codes may increase the scan ning speed Low quality bar codes blurred or printed too lightly may not be read by the QS20H even if they are the type that barcode dedicated scanners can read Before reading labels clean them if stained Avoid using the QS20H in direct su...

Page 14: ...own the trigger switch the illumination LED lights and the QS20H can read a code 3 Alternate switching mode Pressing the trigger switch turns on the illumination LED Even if the switch is released the illumination LED remains on until a code is read successfully or you press the trigger switch again Pressing the trigger switch toggles the illumina tion LED on and off 4 Continuous reading mode Powe...

Page 15: ...s the restored data to the PC in the Non edit mode each time the QS20H reads a single split code it transfers the data to the PC You may switch between those modes by using the QR coded parameter menu given in Chapter 4 Up to 8 kilobytes of data transferable in Edit mode In Edit mode QS20H can read split codes of up to 8 kilobyte data store and edit them and then transfer the restored data to the ...

Page 16: ...rators Under the above environmental conditions the code scanner circuitry or optical components might not operate normally Do not set up the QS20H anyplace where it may be exposed to water Water will get into the QS20H damaging the scanner Do not set up the QS20H in the vicinity of machinery that could generate high frequencies High frequencies may cause the QS20H to malfunction Do not set up the...

Page 17: ... in Chapter 4 Settings made from the QR coded param eter menu will be stored in the memory of the QS20H Parameter group Parameters Function Factory defaults Communications Procedure Non acknowledge mode mode ACK NAK mode Communications Transmission rate 4800 bps conditions 9600 bps 19200 bps 38400 bps 57600 bps 115200 bps Character length 8 bits 7 bits Parity check No Even parity Odd parity Stop b...

Page 18: ...AN 13 8 Disabled codes Enabled Interleaved 2 of 5 Disabled Enabled without check digits Enabled with check digits CODE128 Disabled Enabled CODABAR NW 7 Disabled Enabled without check digits Enabled with check digits Transmission of starter Disabled stop codes for CODABAR Enabled NW 7 CODE39 Disabled Enabled without check digits Enabled with check digits Other settings Trigger switch control Auto o...

Page 19: ...he black and white inverted Start setting code 3 Scan a QR code s of the parameter s you want to set 4 Scan the End setting code in the menu control This stores new settings in the memory and completes the parameter change procedure The QS20H will become ready to scan If you turn off the power those new settings will be retained NOTE If you turn off the power without scanning the End setting code ...

Page 20: ...10 Start setting When the White code on black background is set End setting Cancel Defaults Menu control ...

Page 21: ...11 Communications mode Procedure Communications conditions Transmission rate Non acknowledge mode default ACK NAK mode 4800 bps 9600 bps 19200 bps 38400 bps default 57600 bps 115200 bps ...

Page 22: ...12 Parity check No default Even parity Odd parity Stop bit length 1 bit default 2 bits Character length 7 bits 8 bits default ...

Page 23: ...13 Transmission format Header None default STX Terminator ETX CR default LF CR LF ...

Page 24: ...14 Transmission of code ID mark Disabled default Enabled Transmission of no of digits Disabled default Enabled BCC Disabled default Enabled ...

Page 25: ...roQR Disabled default Enabled Reading black and white inverted QR codes Black code White code on white on black background background default Edit Non edit mode for split QR codes Structured Append Edit mode Non edit mode default ...

Page 26: ...16 Reading PDF417 Disabled default Enabled Reading MaxCode Disabled default Enabled Reading Data Matrix Disabled default Enabled ...

Page 27: ...17 Readable bar codes UPC A E and EAN 13 8 Disabled Enabled default Interleaved 2 of 5 Disabled Enabled without Enabled with check digits check digits default CODE128 Disabled Enabled default ...

Page 28: ...18 Transmission of start stop codes for CODABAR NW 7 Disabled Enabled default CODABAR NW 7 Disabled Enabled without Enabled with check digits check digits default ...

Page 29: ...39 Disabled Enabled without Enabled with check digits check digits default Other settings Trigger switch control Auto off mode Alternate default switching mode Momentary Continuous switching mode reading mode ...

Page 30: ...20 Reading confirmation LED Disabled Enabled default Power saving mode Ordinary mode Power saving default mode for standby Beeper control Disabled Enabled default ...

Page 31: ...unications flow You may select either the non acknowledge mode or the ACK NAK mode Non acknowledge mode You may activate or deactivate the beeper by using the QR coded parameter menu given in Chapter 4 Start Beeps when the QS20H has read a code Initializes the timer CTS High No Yes Transfers a single character 2 seconds elapsed Transfers the last character Beeps if an error occurs No transmission ...

Page 32: ...izes the timer CTS High No Yes Transfers a single character 2 seconds elapsed Transfers the last character Beeps if an error occurs No transmission possible Initializes the timer End Any response received ACK or NAK One second elapsed NAK for trans mission again ACK normal end Beeps if an error occurs No response signal received End End No Yes No Yes No Yes No Yes ...

Page 33: ...ntain a header but include a terminator You may select whether BCC will be transferred Note that BCC cannot be transferred if the transmission block contains no header Transmission rate 4800 9600 19200 38400 57600 or 115200 bps Transferable characters and port settings If not specified as binary codes all data will be treated as ASCII codes Listed below are port settings you can select If data con...

Page 34: ...r of digits in code data is expressed in 4 bytes You may select whether it will be transferred by using the QR coded parameter menu n1 4th digit 0 to 9 n2 3rd digit 0 to 9 n3 2nd digit 0 to 9 n4 1st digit 0 to 9 Code type Code ID mark QR code Q Split QR code in non edit mode Structured Append S UPC A or EAN 13 A EAN 8 B UPC E C ITF Interleaved 2 of 5 I CODABAR NW 7 N CODE39 M CODE128 K EAN 128 W P...

Page 35: ...byte in hex assigned to the split code the number of splits a single byte in hex and parity double bytes in hex PDF417 MaxiCode and Data Matrix All data read EAN 13 Y1 Y2 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 C D where Yn Flag character X1 to X10 Data digits C D Check digit EAN 8 Y1 Y2 X1 X2 X3 X4 X5 C D where Yn Flag character X1 to X5 Data digits C D Check digit UPC A 0 S X1 X2 X3 X4 X5 X6 X7 X8 X9 X10...

Page 36: ...that FNC1 placed in any positions except the 1st and 2nd positions immediately following the start code will be converted into GS 1Dh and then transmitted If FNC1 immediately follows the start code the code system will be identified as EAN 128 and the code mark W will be used CODABAR NW 7 Data read including excluding start stop codes You may select whether to transmit the start stop codes or not ...

Page 37: ...min for bar codes Readable codes Model 1 and Model 2 of QR Code MicroQR PDF417 and MaxiCode EAN 13 8 UPC A E CODE39 CODE128 ITF Interleaved 2 of 5 and CODABAR NW 7 PCS value 0 45 min Skew angle 360 Elevation and inclination 35 Interface RS 232C Environments Operating temperature 0 C to 40 C range Operating humidity range 10 to 85 RH without dew condensation Ambience Without dust dirt or corrosive ...

Page 38: ... pin female Wiring example Shown below is an example of wiring the QS20H up to the PC RS 232C interface Dsub 9 pin female 5 1 9 6 Pin No Signal Functions Signal IN OUT 2 SD TXD Send data Output 3 RD RXD Receive data Input 5 SG Signal ground 7 CS CTS Ready to send Input 8 RS RTS Request to send Output ...

Page 39: ...29 Interface circuits Output circuit Input circuit Voltage polarity Logical value Control level 0 space ON 1 mark OFF RS 232C LEVEL RS 232C LEVEL 5K TXD RTS RXD CTS ...

Page 40: ...30 ...

Page 41: ...ion in the handling and operating of the QS20H Please feel free to send your comments regarding any errors or omissions you may have found or any suggestions you may have for generally improving the manual In no event will DENSO WAVE be liable for any direct or indirect damages resulting from the application of the information in this manual ...